Choropleth maps are a widely used form of thematic mapping in which geographic areas are shaded using graduated colors to represent numeric values. Each area—typically a census unit or administrative ...

We're always down for some intense map geekery here at Monkey Bites, and here's a map tool that should prove useful for anyone running an election/politics/social studies site or blog. The free Java ...

John Gerth, of the computer science department at Stanford, sent a link to a powerful illustration, by Latoya Egwuekwe, of the spreading effects of unemployment across the country during this ...

Would you like to make a color-coded choropleth map in R? Until recently, working with geospatial objects was a bit more complex than with many other types of data. That’s because R “Spatial Polygons ...

Do you have some data with geolocation information that you want to map? You may not think of R when you’re looking for a GIS platform, but new packages and standards have helped make the R ...